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66-77-3

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Identification

Name
1-Naphthaldehyde
CAS
66-77-3
Synonyms
1-FORMYLNAPHTHALENE
1-NAPHTHALDEHYDE
1-NAPHTHALENECARBALDEHYDE
1-Naphthalenecarboxaldehyde
1-NAPHTHYLALDEHYDE
AKOS BBS-00003152
ALPHA-NAPHTHALDEHYDE
NAPHTHALENE-1-ALDEHYDE
NAPHTHALENE-A-ALDEHYDE
alpha-Naphthal
alpha-Naphthylaldehyde
alpha-Naphthylcarboxaldehyde
-Naphthaldehdye
naphthalene-1-carbaldehyde
Naphthalene-1-carboxaldehyde
1-Naphthaldehdye
1-naphthaldehyde (alpha)
A-NAPHTHALDEHYDE
1-NAPHTHALDEHYDE 97+%
1-Naphthaldehyde,97.7%
EINECS(EC#)
200-633-4
Molecular Formula
C11H8O
MDL Number
MFCD00004003
Molecular Weight
156.18
MOL File
66-77-3.mol

Chemical Properties

Appearance
Yellow liquid
Melting point 
1-2 °C (lit.)
mp 
1-2 °C(lit.)

Boiling point 
160-161 °C/15 mmHg (lit.)
bp 
160-161 °C15 mm Hg(lit.)

density 
1.15 g/mL at 25 °C(lit.)

vapor density 
>1 (vs air)

refractive index 
n20/D 1.652(lit.)

Fp 
>230 °F

storage temp. 
Keep in dark place,Sealed in dry,Room Temperature
solubility 
<1g/l
form 
Liquid
Specific Gravity
1.15
color 
Clear yellow to dark yellow-brown
PH
7 (< 1g/l, H2O, 20℃)
Water Solubility 
Soluble in ethanol, ether, acetone, benzene. Insoluble in water.
Sensitive 
Air Sensitive
BRN 
386082
InChIKey
SQAINHDHICKHLX-UHFFFAOYSA-N
CAS DataBase Reference
66-77-3(CAS DataBase Reference)
NIST Chemistry Reference
1-Naphthalenecarboxaldehyde(66-77-3)
EPA Substance Registry System
66-77-3(EPA Substance)

Questions And Answer

Applications

1-Naphthaldehyde is used as a reagent in the synthesis of phosphors without rare-earth elements for eco-energy lighting based LEDs. It is also used in the synthesis of 1-Naphthoic Acid and 1-Naphthalenemethanol.


Appearance

Clear Colorless to Pale Yellow Oil


Dangerous Goods Info

Not a dangerous good if item is equal to or less than 1g/ml and there is less than 100g/ml in the package


Safety Data

Hazard Codes 
Xn,Xi
Risk Statements 
R22:Harmful if swallowed.
R36/37/38:Irritating to eyes, respiratory system and skin .
Safety Statements 
S37/39:Wear suitable gloves and eye/face protection .
S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice .
S24/25:Avoid contact with skin and eyes .
S36/37:Wear suitable protective clothing and gloves .
S23:Do not breathe gas/fumes/vapor/spray (appropriate wording to be specified by the manufacturer) .
S36:Wear suitable protective clothing .
RIDADR 
3082
WGK Germany 
3

RTECS 
QJ0190000

TSCA 
Yes
PackingGroup 
III
HS Code 
29122900

Raw materials And Preparation Products

Material Safety Data Sheet(MSDS)

Hazard Information

Chemical Properties
Yellow liquid
Definition
ChEBI: A naphthaldehyde with a formyl group at position 1.
Synthesis Reference(s)
Tetrahedron, 41, p. 5703, 1985 DOI: 10.1016/S0040-4020(01)91375-4
Purification Methods
Distil 1-naphthaldehyde with steam, extract the distillate into Et2O, dry (Na2SO4), filter, evaporate the filtrate and distil the residue in a vacuum. [Beilstein 7 IV 1286.]

Spectrum Detail

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